Borla XR-1 Multi-Core Racing Muffler (400373) enhances power output and durability in rotary engine-equipped vehicles, thanks to its patented uninterrupted-flow design and lightweight stainless steel construction.
Engineered for high-performance drag and oval track applications, the XR-1 Multi-Core muffler features Borla ’s exclusive multicore technology, delivering greater flow than a straight pipe in repeated tests. Constructed from high-quality austenitic stainless steel, it resists burnout and corrosion while maintaining optimal sound and performance balance. Its round, center-in/center-out design and rotary engine compatibility make it ideal for both race cars and truck configurations.
Key Features :
Patented multicore design maximizes horsepower and exhaust flow
Constructed from premium austenitic stainless steel for superior durability
Lightweight build ideal for racing and performance applications
Designed specifically for rotary engine-equipped vehicles
Meets strict noise regulations while enhancing exhaust tone
Uses sound-absorbing stainless steel packing to prevent burnout
Reversible design allows versatile installation options
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